At WWDC, Apple has made a promise to step up security with native two-factor authentication in iOS 9 and OS X El Capitan. Before today, the feature was unavailable on iOS 9 betas prior to beta 3.
But with today's release of iOS 9 beta 3, the new system has made its debut, with some users offered the option to upgrade their Apple ID to use the new two-factor authentication.
Here's what you need to know about this new system, how it increases your security and how it's different from Apple's existing two-step verification process.